Politics is about how we as a society come together to hash out what's important to us. Instead of politics, we talk about a 50-year old piece of music that does the same. On today's show, Sean Ono Lennon, musician and son of John Lennon and Yoko Ono, discusses how John Lennon's 1971 song "Imagine" was shaped by its time and has influenced music for generations to come.